import { Direction } from '@angular/cdk/bidi';
import { ScrollStrategy } from '@angular/cdk/overlay';
import { DialogPosition, MatDialog } from '@angular/material/dialog';
import { MessageDialogData } from './types';
import * as i0 from "@angular/core";
export interface MessageDialogConfig {
    /** Custom class for the overlay pane. */
    panelClass?: string | string[];
    /** Whether the dialog has a backdrop. */
    hasBackdrop?: boolean;
    /** Custom class for the backdrop. */
    backdropClass?: string;
    /** Width of the dialog. */
    width?: string;
    /** Height of the dialog. */
    height?: string;
    /** Min-width of the dialog. If a number is provided, assumes pixel units. */
    minWidth?: number | string;
    /** Min-height of the dialog. If a number is provided, assumes pixel units. */
    minHeight?: number | string;
    /** Max-width of the dialog. If a number is provided, assumes pixel units. Defaults to 80vw. */
    maxWidth?: number | string;
    /** Max-height of the dialog. If a number is provided, assumes pixel units. */
    maxHeight?: number | string;
    /** Position overrides. */
    position?: DialogPosition;
    /** Layout direction for the dialog's content. */
    direction?: Direction;
    /** ID of the element that describes the dialog. */
    ariaDescribedBy?: string | null;
    /** ID of the element that labels the dialog. */
    ariaLabelledBy?: string | null;
    /** Aria label to assign to the dialog element. */
    ariaLabel?: string | null;
    /** Whether the dialog should focus the first focusable element on open. */
    autoFocus?: boolean;
    /**
     * Whether the dialog should restore focus to the
     * previously-focused element, after it's closed.
     */
    restoreFocus?: boolean;
    /** Scroll strategy to be used for the dialog. */
    scrollStrategy?: ScrollStrategy;
    /**
     * Whether the dialog should close when the user goes backwards/forwards in history.
     * Note that this usually doesn't include clicking on links (unless the user is using
     * the `HashLocationStrategy`).
     */
    closeOnNavigation?: boolean;
}
export declare class MessageDialogService {
    private readonly dialog;
    constructor(dialog: MatDialog);
    open(data: MessageDialogData, config?: MessageDialogConfig): Promise<string | undefined>;
    static ɵfac: i0.ɵɵFactoryDeclaration<MessageDialogService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MessageDialogService>;
}